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@heyitsapu

Created this 4 months ago

🌟 20 React questions that are commonly asked in interviews.

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Practice these React interview questions, which are popular and commonly asked in React interviews. If you have questions to share, do share them in the comment section, and I will include them in the list with link to you username in the credit section.

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1. Explain the difference between class components and functional components.

2. What is the Context API in React?

3. Explain the lifecycle methods of React components.

4. What are the advantages of using React?

5. How do you optimize performance in React applications?

6. JSX, what is it?

7. Explain the concept of code splitting in React.

8. How does React handle routing?

9. What are components in React? Describe the different types of components.

10. What is React and what are its main features?

11. What are state and props in React and how are they different?

12. Explain the concept of controlled and uncontrolled components.

13. What are hooks in React? Describe some commonly used hooks like useState and useEffect.

14. How do you handle forms in React?

15. What is Redux and how does it work with React?

16. What are Higher Order Components (HOCs)?

17. How do you implement server-side rendering in React?

18. Explain the use of refs in React.

19. Explain the difference between Real DOM and Virtual DOM.

20. What is the significance of keys in React?